baber/WOPTO huggingface dataset:
Patent DE-2447961-A1 (DE)
Title: Colour developer compsn. for pressure sensitive copying systems - contg. hydrophobic amino free cpd. as desensitiser to prevent colouring in non printed zones
Inventor: ISHIZUKA AKIO
IPC: C09D11/00
Filed: 1974-10-08
Abstract: An ink compsn for use as a colour developer in a recording system in conjunction with a colourless chromogenic coupler, comprises a colour forming developer, a binder, a liq. medium and a desensitiser, the latter being a hydrophobic amino-free cpd and comprising 0. 01-10 wt. % of the ink-compsn. The liq. medium is pref. an org. solvent. The compsn is used in press. sensitive copying systems. The desensitiser prevents undesirable colouring to occur in non printed zones when e.g. the developing agent contacts the chromogenic coupler, and copies have improved contrast and sharpness.
Patent DE-2453389-A1 (DE)
Title: Improved car tyre protection chains - have chain for fitting over tyre tread and one sidewall
IPC: B60C27/12
Filed: 1974-11-11
Abstract: Tyre protective chain includes a tyre chain for fitting over the tread of and at least a portion of one sidewall of a tyre, a chain for tensioning the tyre chain, and resilient anchors connecting the tyre chain to the tensioning chain.
Patent DE-2453525-A1 (DE)
Title: Yarn clamp blank producer - blanks arranged in correct position with continuously forwarded folded sheet
Inventor: GERMER KURT
IPC: B42B4/00
Filed: 1974-11-12
Abstract: Yarn clamp blank producer arranges the blanks in correct position with continuously forwarded folded sheet. Yarn gripper bodies are fitted on an endless conveyor moving at the speed of the sheets, pref. a chain, each with externally controllable units to grip and release a sealing thread. Pref. the gripper bodies are plates with fold sheets forwarded between them and a further conveyor, pref. a further plate chain. There is no transfer from one conveyor to another during forwarding. The length of the yarn gripper bodies can be freely chosen within limits. For access the conveyor with the needle working portion can be swung upwards on the axis of the conveyor wheel.
Patent DE-2454223-A1 (DE)
Title: Movable filing prong connectors - equipped with pressure closures of press button type facilitating handling of combined filing systems
IPC: B42F13/22
Filed: 1974-11-15
Abstract: The movable connecting bows are between two customary filing prong closures. Both bows have a turnable attachment to one of the filing prongs and are equipped with pressure or plug closure. The pressure closure made as a press button type requires a hole in each opposing metal strips, and through these movable connections between the two existing filing closures, the handling of a high speed folder is largely assimilated to that of ordinary filing systems. Alternatively the curved bows are slotted at their ends so that the metal strips of the high speed folder may be clamped at that point, permitting easy turning over or removal of individual sheets filed.
Patent DE-2455769-A1 (DE)
Title: Removal of land mines in given geographical area - coiled conductors form magnetic field simulating combative object
Inventor: KEYDEL WOLFGANG DR RER NAT
IPC: F41H11/12
Filed: 1974-11-26
Abstract: Apparatus for clearing land mines in a given geographical area comprises a network of conductors for producing a magnetic field which simulates a mine combat object in the region of effect of the mine sensors. The network is spread over the area o part of it, and its individual conductors from coils which may be connected to a generator separately or of which several adjacent coils may be connected to the generator together. Pref. the coils are rectangular or square, and the network has a length greater than its width, e.g. a length of 120 m, and a width of 6 m.
Patent DE-2455936-A1 (DE)
Title: Automatic yarn type change - has a double bobbin change action at each spinning station to remove spun length of different types
Inventor: KAMP HEINZ
IPC: D01H4/48
Filed: 1974-11-27
Abstract: A process is claimed to cut spun yarn automatically, when working with an open-end spinning unit, when the fibre material is being changed. A bobbin change unit is provided which can act for all the spinning stations, which stops the spinning station when yarn has been wound initially on the new bobbin sleeve. The sliver feed is charged, and the spinning unit is reactivated. When the yarn end of the old yarn has been joined to the yarn end of the new yarn material, the winding action is again stopped when the yarn junction has been wound round the sleeve, and a further bobbin change action is executed. The system provides an automatic yarn cutting action when the yarn type is changed, to prevent fibre material of one category being included in a wound bobbin of another yarn type.
Patent DE-2456458-A1 (DE)
Title: Overhead cable for electric model trains - has only two coupling parts and is telescopic
Inventor: NEUMEISTER FRANZ
IPC: A63H19/26
Filed: 1974-11-29
Abstract: This overhead cable for electric model trains is coupled together by means of two identical metal pieces. On each piece the ends (F) are bent over so that they pass between the wires (1, 2) with the ends (G) holding the wires stiff. The flange (R) is then bent over the wire thereby holding it in place so that the wires can be slid through the couplings to alter their length. This technique forms a coupling which is simple to make and cheap to produce.
Patent DE-2459749-A1 (DE)
Title: Contactless speed measuring device for rotating shaft - includes circuit for determining pulse keying ratio and two comparators
Inventor: BECK ROBERT
IPC: G01R19/165
Filed: 1974-12-18
Abstract: Generated pulses are registered and the device includes an electronic circuit (5) which determines the pulse keying ration. There are two comparators (17, 18) which are used to compare the actual value (b) of the measured ratio with an upper and a lower limit (C, D)(e) is tripped. The signals from the rotating shaft may be produced by known means which include toothed wheels on the shaft interacting with proximity sensors to produce an AC signal, preferably a square wave. The output from the two comparators (17, 18) passes through an OR gate (26).
Patent DE-2462135-A1 (DE)
Title: Weighing device for cast metal slabs - automatically operates set casting given automatic run-through following weigher
Inventor: KIKKAWA TAKAHIRO
IPC: G01G11/00
Filed: 1974-10-09
Abstract: A weighing set-up is for chilled metal ingots or castings which, on their emergence from the mould, require to be automatically weighed for efficiency in production. The apparatus includes a conveyor following the ingot or casting (601) with a frame (605) through which the feeder conveyor (46) runs. Mounted on the frame (605) there is a weighing mechanism (606) and a gripper attachment (615, 616) for holding the ingot of casting (601) on the conveyor (460) and in contact with it. A piston arrangement (608) serves to lift the gripper attachment and the casting (601) gripped by it from the conveyor (460).
Patent DE-2500492-A1 (DE)
Title: Stepwise brightness control for fluorescent lamps - uses single or polyphase mains with lighting system is divided in several circuits
Inventor: THOMASSEN WOLFGANG PROF DR ING
IPC: H05B41/40
Filed: 1975-01-08
Abstract: The fluorescent lamps brightness control has a number of circuits which is equal to the number of required brightness steps. No self-generated control oscillations are permitted. Existing and required illuminations are compared, and two threshold switches (4, 5) release a control process, so that when illumination is below a certain value, one threshold switch (5) adds another stage to the illumination circuit, and when illumination exceeds an upper limit, a stage is disconnected by the other switch (4). The two limit values are so spaced, that no control oscillations are generated. The outputs from the comparator switches (4, 5) pass to gate elements (7, 8) along with the generated pulses and initiating switch signals, to a forwards-backwards counter (9) which regulates the brightness control steps.
Patent DE-2502779-A1 (DE)
Title: Folding or collapsible claw lifting device - has lateral beam with connected rope winch and feet mounted in tubes
Inventor: FRIEDRICHSEN KETEL M
IPC: A01L13/00
Filed: 1975-01-24
Abstract: A folding claw lift device consists of a frame work device with a lateral beam and two tubes which can be pivoted to the beam by means of mounting rings. The device also has feet or brackets mounted on movable tube shells attached to the tubes. The claw lifting device also has a rope winch or winding device which is connected to the lateral beam or to one of the tubes in a detachable manner. The ends of the lateral beam, which has its centre strengthened or reinforced are provided with a hole, wrist bolt and splint.
Patent DE-2503854-A1 (DE)
Title: Forming large metal corrugated elements with high accuracy - by simultaneous bend-stamping of all curvatures
Inventor: GRUSZCZYNSKI CZESLAW DIPL ING
IPC: B21D13/02
Filed: 1975-01-30
Abstract: Large metal corrugated elements are formed with high accuracy by simultaneous bend stamping of all curvature. The workpieces to be shaped are bent, using variable and regulatable stretch drawing and stretch bending forces such that simultaneously there is obtained a permanent shape change of the workpiece over its whole surface, esp. at the sections of the workpiece which have the curvatures over the extension limits of the material. Preferably a variable stretch drawing force is produced during bending stamping, with the aid of a controllable friction between the surface of the deformed workpiece and the adjustable tool parts of the deformer.
Patent DE-2504016-A1 (DE)
Title: Thermo-copying machine with cylindrical glass tube - has heat radiating rod and reflector within tube which rotates between three rollers
Inventor: MUNK-LAURSEN EINAR
IPC: B41M5/26
Filed: 1975-01-31
Abstract: The tube rotates between two upper rollers and a lower rubber roller. The copier is enclosed in a housing having an inlet at one side, which is penetrated by a lead-in guide whose front end is located in the wedge shaped space between the glass tube and the rubber roller. The copying material passes into the housing over the lead-in guide, then between the tube and the rubber roller and is led back to the same side of the housing by a curved outlet guide. The copying material emerges from the housing below the lead-in guide at the outlet. The outlet guide can consist of spaced strips or rods should gas stream cooling be required.
Patent DE-2508362-A1 (DE)
Title: Semiconductor chip diffusion doping with boron - from layer contg. gp. 1 or 11 borate or hydroxide , accelerating dissoln. of glass formed
Inventor: JOHANSEN JON WILLY DIPL CHEM
IPC: C30B31/02
Filed: 1975-02-26
Abstract: In the doping of semiconductor chips with B by applying a substance (I) contg. a B cpd. to the surface of the chip and heating the chip, (I) contains an additive of gp. I or II borates or hydroxides, pref. Na2B4O7 or KOH, pref. in amts. of ca 1 wt. % The use of the additive allows drastic redn. of the time required for dissolve ng the glass formed on the surface of the chips during the diffusion process, which otherwise can take up to 25 days for 50 mm dia. chips when a whole stack is placed in the diffusion vessel.
Patent DE-2508917-A1 (DE)
Title: Plastic pouch with heat sealed hem for strings - is produced from plastic foil with former bar
IPC: B31B19/90
Filed: 1975-03-01
Abstract: The pouch is made from plastic foil and has a folded over hem which locates two string loops (18, 19) so that when the strings are pulled outwards, the pouch is closed. Each string knot (20, 21) is located outside the hem loop in diametrically opposite position. The hem loop is produced by placing the plastic foil over a former bar (4) so that a fold is obtained on either side of the bar. The folds are then heat-sealed to form closed pockets for the two strings.
Patent DE-2512376-A1 (DE)
Title: Broad pointer thermometer - has scale of contrasting colour for remote reading
Inventor: GRAW JOSEF DR
IPC: G01K1/02
Filed: 1975-03-21
Abstract: A pointer thermometer for reading at a distance is such that the pointer moves over a circular scale, the width of the pointer being between one sixth and one half the length of the sector of the scale, and the pointer and scale being of contrasting colours. In an embodiment the housing (1) is rectangular, white and transparent to create a dial (2) at the front face. A circular temperature scale (5) is provided with eight marked values (6). The broad pointer (7) is wedge-shaped and carries a smaller pointer (8) for finer readings. By this means a tenth of a degree is easy to read.
Patent DE-2514894-A1 (DE)
Title: Mine support pressure control for plough shares - has high and low pressure lines from differentiating reducers linked in face
Inventor: HAUER SIEGFRIED JUNGA
IPC: E21D23/16
Filed: 1975-04-05
Abstract: The mine supports setting pressure switching system reduces the pressure to allow the shifting cylinders to operate and provides differentiated pressure for the plough uphill and downhill trips by means of two lines which lead via reducer from the high pressure pump to the cylinders, with inserted stopcocks for pressure differentiating. The shifting cylinders are loaded with differentiated pressures by means of a face line (8) whose hose piece (6) unites the lines from the pressure reducers (I, II). The higher pressure line (2) has a stopcock (4) as compared with the lower pressure line (3) which incorporates a nonreturn valve (7).
Patent DE-2519177-A1 (DE)
Title: Manual control spindle angular position indication - using simple lockable bearing operated indicating scale is independent of axial position
Inventor: SCHOEN OTMAR
IPC: G05G1/00
Filed: 1975-04-30
Abstract: A simple, precision device for displaying the position of a control spindle avoids the use of costly epicyclic gears in a construction using few parts. The rotary position of the control spindle is displayed irrespective of its axial displacement on a scale (7). A device (7; 16; 19-22) for occasional fixing of the scale section (7) with respect to the control knob (3) relies upon teeth mounted on the inside of the scale ring (7) engaging in a locking slide (16). The pick-off mechanism is a row of detachable pivot bearings (8, 9, 10) between the operating knob (3) and the scale section. The scale ring (7) is fastened in place by a screw (5) in its centre.
Patent DE-2521831-A1 (DE)
Title: Compact retarder for heavy vehicle - with attached epicyclic gearing for improving retarder speed and reinforcing engine braking
Inventor: FOERSTER HANS-JOACHIM PROF DR
IPC: B60T1/087
Filed: 1975-05-16
Abstract: The heavy vehicle is fitted with a retarder to support the normal braking. The retarder is coupled to the output of the vehicle transmission by an epicyclic gearing to increase the retarder shaft speed and provide a more compact retarder. This enable the retarder to act as a brake on service vehicles which perform repeated stops. In a second mode of operation the retarder gearing can be matched to the input speed of the transmission so that it reinforces the engine braking on long inclines. The retarder thus operates at a set speed band to provide a snatch-free operation.
Patent DE-2522932-A1 (DE)
Title: Alcohol in blood concentration method - uses device measuring alcohol concentration in breath by differential effect on temperature sensitive resistor
Inventor: KIRMAIER NORBERT DR ING
IPC: G01N33/497
Filed: 1975-05-23
Abstract: The device measures alcohol concentration in breath at an instant determined by a timer, the instant being determined by an adjustable time interval beginning within the exhalation period. An error detector monitors the breath flow, and its direction signals the test invalidity when air flow during the above time interval lies below a fixed minimum, or if the air is inhaled. The error detector (327) has a differentiating element (333) and a temperature sensitive resistor (329) in the air flow between a voltage source (331) and the differentiating element (333).
Patent DE-2523530-A1 (DE)
Title: Pronged spacer for concrete wall reinforcing mesh - has prong arms fitted to accommodate wide and narrow rods
Inventor: BAUMANN ULRICH
IPC: E04C5/16
Filed: 1975-05-27
Abstract: The space retainer is for use in conjunction with reinforcing meshes set in parallel planes, esp. in concrete walls. A bar has clamp devices at an interval from the formwork, with straight U or V shaped prong arms diverging slightly and providing the opening for introduction of the rods of reinforcing meshes until they fit against the arms. The clamp prongs are formed by staple-type pieces welded onto a straight wire or rod. On at least one of the arms (15b) of these welded prong-shaped pieces there is one area for clamping rods (3) of slight diameter, and an adjoining area for clamping rods (105) of greater diameter. A hook-shaped extension to a straight piece may be used for this purpose, pref. in the inside area of the prong.
Patent DE-2526713-A1 (DE)
Title: Matchbox with striking surface protected from damp - has striking surface mounted on side of sliding drawer
Inventor: HOELTER HEINZ
IPC: A24F27/00
Filed: 1975-06-14
Abstract: The matchbox of conventional type with a sliding drawer (1) containing the matches (2) housed inside a rectangular sleeve (4), is designed so that the striking surface is protected from damp and also from soiling the pockets of the user. The preferred position is on the vertical side of the sliding drawer, so that when the drawer is shut, the striking surface is completely protected by the corresponding inside surface of the sleeve. The length of the striking surface is about half the length of the drawer, as only this amount is exposed, when a match is withdrawn.
Patent DE-2529462-A1 (DE)
Title: Life tester for ball bearings - includes programmed variation of amplitude of swing and of amplitude of applied load
Inventor: BAYERL JOSEF
IPC: G01M13/04
Filed: 1975-07-02
Abstract: A programmed life testing machine for ball bearing has a bearing mounted on a shaft which can be swivelled by means of a hydraulic cylinder, and permits programming of the applied load and the angle of swivelling. The outer cage (11) of the sample (10) is fitted in a metal ring (13) which has applied to it through a bolt (14) the oscillatory motion of an electromagnetic drive and through a metallic dish (16) the effective bearing load of a hydropulsing cylinder (17), under programmed control. The swivelling movement of another hydropulse cylinder (18) is superimposed through the bearing (10, 11, 12).
Patent DE-2530178-A1 (DE)
Title: Adjuster for manually guided circular saw - has single ball joint between circular saw hood and table
Inventor: BROECKL WALTER ING GRAD
IPC: B27B9/02
Filed: 1975-07-05
Abstract: The adjusting arrangement for saw blade is esp. for a manually operated circular power saw. The arrangement is used for adjusting cutting depth as well as the cutting angle. The cutting depth is adjusted by tilting and the saw blade is supported on a bearing on the table. This bearing is designed as a ball joint in order to reduce the number of bearings used. The ball of the ball joint is integral with the protection hood of the saw blade. This arrangement can be made by injection moulding or by casting. The ball seat is held on the table and formed as an impression in the table plate.
Patent DE-2533582-A1 (DE)
Title: Warp resistant table tennis table - has suction cups fitted to trestles or subframe to hold playing surface firmly
Inventor: NEUMANN RUDOLF
IPC: A47B25/00
Filed: 1975-07-26
Abstract: The table tennis table consists of trestles fitted with peripheral suction cups. The table tennis playing surface is placed on to the trestles or subframe and is firmly connected to its by suction force. This method of fixing improves the bounce of the table tennis ball and the adjusting capacity of the surface. In the case of a metal playing surface a degree of damping is also obtained. An equal number of suction cups are used on each half of the playing surface.
Patent DE-2555429-A1 (DE)
Title: Tactile warning signal for driver - uses vibrator on throttle pedal when selected parameter reaches danger level
Inventor: GEISER GEORG DR ING DR
IPC: B60K31/18
Filed: 1975-12-10
Abstract: The accelerator pedal linkage is fitted with an electro magnetic vibrator (3) controlled by a binary control (4). This operates when any safety parameter exceeds a danger level. The driver immediately feels the signal and can act accordingly. The vibrations are low in amplitude so as not to affect the throttle setting. The safety parameters include spacing from the vehicle in front, as measured by an onboard control, brake fluid level, temperature and oil pressure levels etc. The driver response to tactile signals is much faster than to conventional visual or acoustic signals. The warning signal can be duplicated by conventional indicators on the dashboard.
Patent DE-2556968-A1 (DE)
Title: Thermoplastic film bags manufacturing system - has cutter and reciprocatin welding bar and rubber-sheathed counter-roller
Inventor: LEHMACHER HANS
IPC: B31B160/10
Filed: 1975-12-18
Abstract: The machine is for the mfr. of bags and other packages from thermoplastic film webs. It comprises an intermittent advance mechanism for the film webs, and a welding bar (16) which reciprocates towards the film webs. In conjunction with a counter-supporting rubber-sheathed roller (17), it hot welds and cuts through the film web transversely when the film web stops momentarily. In order to interrupt the welding and cutting process while the welding bar continues to move up and down, the rubber-sheathed roller can be lowered in a vertical plane or along an arcuate path. This is done by pivoting it about the axis of a lower feed roller (15). The ends of the rubber-sheathed roller may be mounted in supports which engage around the ends of the lower feed roller.
Patent DE-2559159-A1 (DE)
Title: Indicator for beginning of labour in domestic animals - with capsule contg. transmitter inserted in birth canal
Inventor: LAEMMCHEN KURT DR ING
IPC: A61D17/00
Filed: 1975-12-30
Abstract: Indicator for the beginning of labour in domestic animals comprises an elongate cylindrical capsule contg. a transmitter which is switched on via. a temp. sensor, for insetion in the birth canal of the animal, and a receiver which is tuned to the frequency of the transmitter and which acts as signal emitter. Around the capsule is mounted symmetrically a double-cone sheath of elastic material e.g. rubber ro plastic, pref. Neoprene (RTM) of which the flattened narrow ends are adjacent to each other, while the open bases surfaces of the cones are directed towards the ends of the capsule. The wall surfaces of the sheath are pref. perforated, and provided with one or more peripheral beads. T'e capsule cannot be lie obliquely, and is reliably ejected just before the beginning of birth.
Patent DE-2559538-A1 (DE)
Title: Control program generator with time function dependent output signal - has program track on moving strip scanned traversely by photo-electric head
Inventor: SCHUG BERND
IPC: G05B19/12
Filed: 1975-04-07
Abstract: The contrast forming program track of hte control generator is scanned by a photoelectric head moving transversely to a program strip travel in forward direction. The scanning head follows the program track by a servomotor (20) drive, controlled by the scanning head signals. A path sensor (30) generates a signal in dependence on the scanning head position. This signal is supplied to a flip-flop stage (86), having a hysteresis and responding at a present signal value. The flip-flop stage output energises the servomotor in the sense resulting the scanning head into its starting position.